Data processing circuit apparatus having a data transmission unit of redundant design

Abstract

The invention provides a circuit apparatus having a circuit core module (100), a controller processor unit (102) for driving and addressing the circuit core module (100) and a data transmission unit (103a) for transmitting data between the circuit core module (100) and at least one external circuit module (110), provision being made of at least one further data transmission unit (103b-103n) that is of redundant design with respect to the data processing unit (103a), a data stream being changed over between the circuit core module (100) and the data transmission units (103a-103n) of multiply redundant design by means of a first changeover unit (201) and a data stream being changed over between the data transmission units (103a-103n) of multiply redundant design and the at least one external circuit module (110) by means of a second changeover unit (202).

Description

TECHNICAL FIELD[0001]The present invention relates to circuit apparatuses in which data processing such as, for example, data storage is carried out and to methods for transmitting processed and / or stored data between a circuit core module and an external circuit module.BACKGROUND ART[0002]The present invention relates, in particular, to a data processing circuit apparatus having a circuit core module, a controller processor unit for driving and addressing the circuit core module and a data transmission unit for transmitting data between the circuit core module and at least one external circuit module.[0003]FIG. 2 shows a conventional data processing circuit apparatus, a circuit core module (CORE) being connected to at least one external circuit module via a data processing unit (DP) and a data interface unit (DI).[0004]The circuit core module receives control signals for controlling, by way of example, data storage in the circuit core module and / or data read-out from the circuit co...

AI Technical Summary

Benefits of technology

[0021]An essential advantage of the present invention is thus that the respective highest speed class can be selected. A further advantage of the present invention is that faults in data transmission units can be rectified, after the overall circuit apparatus has been fabricated, by selecting a further redundant data transmission unit instead of a defective data transmission unit.

[0022]The data processing circuit apparatus according to the invention essentially has:

[0024]b) a controller processor unit for driving and addressing the circuit core module; and

[0025]c) a data transmission unit for transmitting data between the circuit core module and at least one external circuit module,the circuit apparatus furthermore having at least one further data transmission unit that is of redundant design with respect to the data transmission unit, a first changeover unit for changing over a data stream between the circuit core module and the data transmission units of multiply redundant design and a second changeover unit for changing over a data stream between the data transmission units of multiply redundant design and the at least one external circuit module.

[0026]Furthermore, the method according to the invention for connecting a circuit core module to at least one external circuit module essentially has the following steps:

[0028]b) driving the circuit core module by means of control data which are supplied by the controller processor unit via a control bus;

Problems solved by technology

When determining a maximum clock frequency, it is disadvantageously not so much the circuit core module as the data processing module DP and / or the data interface module DI that is / are decisive.

When producing circuit apparatuses containing, for example, memory units, it is inexpedient that no attention is paid to different speed classes.

This conventional method has the considerable disadvantage that it is complicated and thus cost-intensive.

Furthermore, conventional circuit apparatuses cannot be used, for example, when the data processing module and / or the data interface module is / are defective.

In this case, the entire circuit apparatus must be assessed as being defective and can no longer be used in any speed class.

It is disadvantageously not possible to set the conventional circuit apparatus to different, in particular high, frequencies so that a high retail price can be secured.

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